NASA’s Juno spacecraft captured a rare dark-rayed crater on Ganymede, offering fresh clues about the moon’s icy surface, ...

That remains just one of the many achievements in Voyager 1’s illustrious resume, the spacecraft currently 15.79 billion ...

Small icy moons in the outer reaches of our solar system may hide boiling oceans underneath their surfaces, a new study finds.

That’s also true for the other moons that provide the gravitational stress. As a result, the internal oceans may actually ...

The outer planets of the Solar System are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are known to have oceans of ...

Earth has quietly picked up a new traveling companion, a tiny captured object that astronomers say will loop around our ...

Today, Nov. 22, 2025, the moon is 2 days old and is in the Waxing Crescent phase of its lunar cycle. It is 5% illuminated.